Finding the Fourth Proportional to 298,446,505.19, 447,674,397.71 and 88,378,441.07
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Solution
The fourth proportional to 298,446,505.19, 447,674,397.71 and 88,378,441.07 is: 132,569,035.62
Step by Step Solution
- Step 1: Write the proportion equation
298,446,505.19 : 447,674,397.71 = 88,378,441.07 : x - Step 2: Convert to fraction form
298,446,505.19/447,674,397.71 = 88,378,441.07/x - Step 3: Cross multiply
298,446,505.19x = 447,674,397.71 × 88,378,441.07 - Step 4: Simplify right side
298,446,505.19x = 39,564,765,376,560,976 - Step 5: Solve for x
x = 39,564,765,376,560,976/298,446,505.19 - Step 6: Final answer
x = 132,569,035.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.